LG ZHD-311 Service Manual - Page 36

Lens Control Related Signalno Disc Condition, Laser Power Control Related Signalno Disc Condition

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5. LENS CONTROL RELATED SIGNAL(NO DISC CONDITION) FOSO(1.5V/1.4V/1.3V) (IC501 PIN 12) F+(4.0V/3.6V/3.2V) (IC404 PIN 14) F-(4.0V/3.6V/3.2V) (IC404 PIN 13) FIG 5-1 6. LASER POWER CONTROL RELATED SIGNAL(NO DISC CONDITION) FIG 6-1 3-13 MDI1(0V/180mV) (IC401 PIN 26) LD01(5.0V//3.5V) IC401 PIN 20) LD02(5.0V/3.6V) (IC401 PIN 21)

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5. LENS CONTROL RELATED SIGNAL(NO DISC CONDITION)
FOSO(1.5V/1.4V/1.3V)
(IC501 PIN 12)
F+(4.0V/3.6V/3.2V)
(IC404 PIN 14)
F-(4.0V/3.6V/3.2V)
(IC404 PIN 13)
FIG 5-1
6. LASER POWER CONTROL RELATED SIGNAL(NO DISC CONDITION)
MDI1(0V/180mV)
(IC401 PIN 26)
LD01(5.0V//3.5V)
IC401 PIN 20)
LD02(5.0V/3.6V)
(IC401 PIN 21)
FIG 6-1